uned 2.2 asidau
Quiz
•
Science
•
9th Grade
•
Practice Problem
•
Easy
Gwynfor Morgan
Used 54+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ystod pH a alcali cryf yw:
1-3
4-6
8-10
11-14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mae prob pH yn gallu mesur pH ......
solidau lliwgar i un lle degol
hylifau lliwgar i un lle degol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mae pob asid yn adweithio mewn ffordd tebyg gan ei bod i gyd yn cynnwys ....
ionau H+
ionau OH-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw'r pH ar y dechrau a'r cyfaint yr asid sydd wedi cael ei ychwanegu pan mae'r adwaith wedi niwtralu?
dechrau pH 12.5, cyfaint pan yn niwtral - asid 35 cm3
dechrau pH 10 , cyfaint pan yn niwtral - asid 15 cm3
dechrau pH 18 , cyfaint pan yn niwtral - asid 15 cm3
dechrau pH 1, cyfaint pan yn niwtral - asid 25 cm3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw enw'r broses sy'n digwydd yng ngham 2 a pham?
berwi, i adweditho'r gyda'r asid i gyd
hidlo y bas , i wahanu solid (bas) sydd heb adweithio a sydd mewn gormodedd
anweddu, i wahanu solid sydd heb adweithio a sydd mewn gormodedd
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hafaliad
Copr ocsid + asid sylffwrig → copr sylffad + dŵr
_________ + ___________ _________ + __________
Beth yw fformiwla'r halwyn copr sylffad sy'n ffurfio?
CuO
CuCO3
CuSO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beth yw enw'r nwy sy'n gwneud swn hisian pan mae asid sylffwrig yn adweithio gyda copr carbonad?
hydrogen
carbon deuocsid
nitogen
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